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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?

Complete the statements based on water’s polarity and ability to form hydrogen bonds. water’s boiling point is abnormally than expected. water has a surface tension, allowing adhesion, cohesion, and capillary action. water has a capacity to retain heat, keeping moderate climates warmer in the winter. water as it freezes, so ice floats when expected to sink.answers are higher high high expands